In Praise of Copper, a Gift from Nature

Alfred Russell Wallace, aluminum, ambient temperatures, conductors, copper, corrosion, crustal rocks, ductility, Earth’s crust, electrical devices, fire, Fire-Maker series, fitness, fortuity, gold, Intelligent Design, iron, lead, machinery, mantle, metallurgy, metals, rocks, silver, steam engine, Stone Age
If the conductivity of copper were ten times less, wires would have to be ten times the cross-sectional area to provide the same conductivity. Source
Read More

By Design, Earth Is a Planet Fit for Fire

ambient conditions, atmosphere, atmospheric pressure, civilization, combustion, Douglas Drysdale, earth, Edward McHale, fire, fire spread, fire sustainability, Fire-Maker series, gases, gravity, Intelligent Design, mankind, metabolism, metals, Mount Everest, NASA, nitrogen, oxidative metabolism, oxygen, Physics, Earth & Space, respiration, Stone Age, Technology
As we have seen so far in this series, fire was an absolutely crucial component in humanity’s rise to civilization and technology. Source
Read More